CN112030834A - Nanometer energy-absorbing driving safety buffer device - Google Patents
Nanometer energy-absorbing driving safety buffer device Download PDFInfo
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- CN112030834A CN112030834A CN202010889831.4A CN202010889831A CN112030834A CN 112030834 A CN112030834 A CN 112030834A CN 202010889831 A CN202010889831 A CN 202010889831A CN 112030834 A CN112030834 A CN 112030834A
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- nano
- energy
- absorbing
- longitudinal
- guide rail
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
Abstract
The invention provides a nano energy-absorbing driving safety buffer device which comprises a support frame, wherein the support frame comprises a plurality of transverse partition plates and a plurality of longitudinal partition plates; the plurality of transverse partition plates are sequentially arranged along the longitudinal direction, and every two adjacent transverse partition plates are connected through the longitudinal partition plate; the longitudinal partition board is in an arc curved surface shape; a supporting embedded nano energy absorption structure is arranged in a cavity between every two adjacent diaphragm plates; the supporting embedded nano energy absorption structures comprise elastic outer cladding layers, and nano fluid is filled in the elastic outer cladding layers; nanofluids include fluids and nano inorganic non-metallic nanoporous materials. The invention can greatly reduce the impact force at the moment of vehicle collision, realize flexible braking, has good protection and energy consumption effects, effectively protects the safety of passengers and reduces the damage to the vehicles and the passengers.
Description
Technical Field
The invention relates to a vehicle anti-collision device, in particular to a nano energy-absorbing driving safety buffer device.
Background
In the process of coal mine production transportation, transportation safety is a very important link, especially in mine inclined roadway transportation. When the vehicle stalls through the inclined drift, the surrounding facilities can be damaged, and even the passengers can be fatally injured.
At present, no mature anti-collision buffer device exists in a coal mine tunnel, and most of the devices are simple devices for safety protection, such as sand barrels, which have strong rigidity and poor protection effect; for example, rubber tires are used for protection, when a vehicle stalls, large deformation of rubber can be used for absorbing energy, but the protection facilities are simple and crude, and energy consumption effects are common in practical use.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a nano energy-absorbing driving safety buffer device which has good protection and energy consumption effects.
The invention is realized by the following technical scheme:
a nanometer energy-absorbing driving safety buffer device comprises a support frame, wherein the support frame comprises a plurality of transverse partition plates and a plurality of longitudinal partition plates;
the plurality of transverse partition plates are sequentially arranged along the longitudinal direction, and every two adjacent transverse partition plates are connected through the longitudinal partition plate; the longitudinal partition board is in an arc curved surface shape; a supporting embedded nano energy absorption structure is arranged in a cavity between every two adjacent diaphragm plates;
the supporting embedded nano energy absorption structures comprise elastic outer cladding layers, and nano fluid is filled in the elastic outer cladding layers; nanofluids include fluids and inorganic non-metallic nanoporous materials.
Preferably, the support frame further comprises an arc nose plate, the arc nose plate is also in an arc curved surface shape, the arc nose plate is connected with the diaphragm plate at one end to form a semicircular cavity, and a nose nano energy absorption structure is arranged in the semicircular cavity;
the nose nano energy absorption structure comprises an elastic outer wrapping layer, and nano fluid is filled in the elastic outer wrapping layer.
Preferably, two adjacent diaphragm plates are connected through four longitudinal diaphragm plates which are sequentially arranged along the transverse direction, and the bending directions of the two adjacent longitudinal diaphragm plates are opposite.
Preferably, the device also comprises a guide rail which is arranged along the longitudinal direction, and the diaphragm plate is arranged on the guide rail in a sliding way.
Furthermore, two sides of the supporting frame are respectively provided with a guide rail, one end of the diaphragm plate is slidably arranged on one guide rail, and the other end of the diaphragm plate is slidably arranged on the other guide rail.
Preferably, the elastic outer cladding layer is made of thermoplastic elastomer.
Further, the thermoplastic elastomer is a polyurethane elastomer, a polyvinyl chloride elastomer or rubber.
Preferably, the inorganic non-metal nano porous material is zeolite, silica or activated carbon; the fluid is glycerol or water.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the nano energy-absorbing driving safety buffer device, when a trackless rubber-tyred vehicle stalls in the inclined roadway transportation process, a driver can actively select to collide the nano energy-absorbing driving safety buffer device, and as the longitudinal partition plates are in the arc-shaped curved surface shape and can deform, part of kinetic energy is dissipated by deformation of the supporting frame; support the elasticity surrounding layer of inlaying nanometer energy-absorbing structure and take place to warp under the striking, pass kinetic energy simultaneously for the nanofluid of the inside, make the fluid get into inorganic nonmetal nanometer porous material downthehole, thereby make most impact energy supported and inlayed nanometer energy-absorbing structure and dissipate, can reduce vehicle collision impact force in the twinkling of an eye by a wide margin, make the even flexible braking that slows down of trackless rubber-tyred car, avoid rigid collision to cause great destruction to tunnel affiliated facilities, protect passenger's safety effectively, reduce vehicle and passenger's injury.
Furthermore, due to the arrangement of the arc nose plate, the device is stressed uniformly when being impacted by a vehicle; simultaneously, when the vehicle side direction striking arc nose head board, the arc surface of arc nose head board possesses the buffering direction function.
Furthermore, the arrangement of the guide rail enables the supporting frame to contract and deform along the guide rail when being impacted and deformed, and avoids the supporting frame from being damaged due to deformation along other directions.
Drawings
FIG. 1 is a schematic structural view of a nano energy-absorbing driving safety buffer device according to the present invention;
figure 2 is a cross-sectional view of a nose nano-energy absorbing structure or a support mosaic nano-energy absorbing structure.
In the figure: the energy-absorbing nose comprises a diaphragm plate 1, a nose nano energy-absorbing structure 2, a support embedded nano energy-absorbing structure 3, a longitudinal diaphragm plate 4, a guide rail 5, an arc nose plate 6, an elastic outer cladding 7 and nano fluid 8.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
As shown in fig. 1, the nano energy-absorbing driving safety buffer device comprises a support frame and a guide rail 5, wherein the support frame comprises an arc nose plate 6, a plurality of diaphragm plates 1 and a plurality of longitudinal diaphragm plates 4.
A plurality of cross slabs 1 are arranged along vertically in proper order, and parallel arrangement between each cross slab 1, connect through vertical baffle 4 between two adjacent cross slabs 1.
The longitudinal partition plate 4 is curved. In the embodiment of the invention, two adjacent diaphragm plates 1 are connected by four longitudinal diaphragm plates 4 which are arranged in sequence along the transverse direction, and the bending directions of the two adjacent longitudinal diaphragm plates 4 are opposite.
The arc nose head plate 6 is arc curved surface shape, and the both ends of arc nose head plate 6 are connected with the both ends of the diaphragm plate 1 of tip, enclose into semi-circular cavity, are provided with nose head nanometer energy-absorbing structure 2 in the semi-circular cavity.
A supporting embedded nano energy absorption structure 3 is arranged in the cavity between two adjacent diaphragm plates 1.
As shown in fig. 2, the nose nano energy absorbing structure 2 and the support mosaic nano energy absorbing structure 3 both comprise an elastic outer cladding 7, and the elastic outer cladding 7 is filled with nano fluid 8.
The elastic outer covering layer is made of thermoplastic elastomer, including but not limited to polyurethane elastomer, polyvinyl chloride elastomer or rubber. The nano fluid 8 is formed by mixing inorganic non-metal nano porous materials and fluid. The inorganic nonmetal nano porous material is zeolite, silica or active carbon; the fluid is glycerol or water.
The guide rail 5 is arranged along the longitudinal direction, the two sides of the support frame are respectively provided with one guide rail 5, one end of the diaphragm plate 1 is slidably arranged on one guide rail 5, and the other end of the diaphragm plate 1 is slidably arranged on the other guide rail 5, so that the diaphragm plate 1 can longitudinally slide along the guide rail 5, and when the longitudinal diaphragm plate longitudinally deforms, the whole support frame deforms under the guide effect of the guide rail 5.
The nose nano energy absorption structure 2 and the support embedded nano energy absorption structure 3 can be detached and replaced for recycling.
The principle of the nanometer energy-absorbing driving safety buffer device is as follows: when the trackless rubber-tyred vehicle stalls in the inclined roadway transportation process, the trackless rubber-tyred vehicle collides against the arc nose head plate 6, and as the longitudinal partition plate 4 is in the shape of an arc curved surface, the longitudinal partition plate can deform, so that part of kinetic energy is dissipated by the deformation of the supporting frame; the nose nano energy-absorbing structure 2 and the elastic outer cladding 7 supporting and inlaying the nano energy-absorbing structure 3 deform under impact, and meanwhile, kinetic energy is transferred to the nano fluid inside, so that the fluid enters pores of the inorganic nonmetal nano porous material, and most of impact energy is dissipated by the nose nano energy-absorbing structure 2 and the supporting and inlaying nano energy-absorbing structure 3. Thereby effectively protecting the safety of passengers.
The nano energy absorption structure is filled on the collision surface of the vehicle, and can meet the working condition requirements of frontal collision, side collision and the like in multiple directions. The invention is suitable for mine tunnels, and all materials of the preparation device meet the mining requirements of flame retardance and static resistance. The invention is convenient to manufacture, is suitable for large-scale production, and can be widely applied to the field of safety protection of auxiliary transportation vehicles in mines.
Claims (8)
1. A nano energy-absorbing driving safety buffer device is characterized by comprising a support frame, wherein the support frame comprises a plurality of diaphragm plates (1) and a plurality of longitudinal diaphragm plates (4);
the transverse partition plates (1) are sequentially arranged along the longitudinal direction, and every two adjacent transverse partition plates (1) are connected through a longitudinal partition plate (4); the longitudinal partition plate (4) is in an arc curved surface shape; a supporting and embedded nano energy absorption structure (3) is arranged in a cavity between every two adjacent diaphragm plates (1);
the supporting and embedded nano energy absorption structures (3) comprise elastic outer cladding layers (7), and nano fluid (8) is filled in the elastic outer cladding layers (7); the nanofluid (8) comprises a fluid and an inorganic non-metallic nanoporous material.
2. The nano energy-absorbing driving safety buffer device according to claim 1, wherein the support frame further comprises an arc nose plate (6), the arc nose plate (6) is also in an arc curved surface shape, the arc nose plate (6) is connected with the diaphragm plate (1) at one end to form a semicircular cavity, and the nose nano energy-absorbing structure (2) is arranged in the semicircular cavity;
the nose nano energy absorption structure (2) comprises an elastic outer wrapping layer (7), and nano fluid (8) is filled in the elastic outer wrapping layer (7).
3. The nano energy-absorbing driving safety buffer device according to claim 1, wherein two adjacent diaphragm plates (1) are connected by four longitudinal diaphragm plates (4) arranged in sequence along the transverse direction, and the bending directions of two adjacent longitudinal diaphragm plates (4) are opposite.
4. A nano-energy-absorbing traffic safety bumper device according to claim 1, further comprising a guide rail (5), wherein the guide rail (5) is arranged in a longitudinal direction, and the diaphragm (1) is slidably mounted on the guide rail (5).
5. A nano-energy-absorbing traffic safety bumper according to claim 4, characterized in that one guide rail (5) is arranged on each side of the support frame, and one end of the diaphragm (1) is slidably mounted on one guide rail (5) and the other end is slidably mounted on the other guide rail (5).
6. A nano-energy-absorbing traffic safety bumper according to claim 1, characterized in that the elastic outer covering (7) is made of a thermoplastic elastomer.
7. The nano energy-absorbing driving safety bumper according to claim 6, wherein the thermoplastic elastomer is a polyurethane elastomer, a polyvinyl chloride elastomer or rubber.
8. The nano energy-absorbing driving safety buffer device according to claim 1, wherein the inorganic non-metallic nano porous material is zeolite, silica or activated carbon; the fluid is glycerol or water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889831.4A CN112030834A (en) | 2020-08-28 | 2020-08-28 | Nanometer energy-absorbing driving safety buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889831.4A CN112030834A (en) | 2020-08-28 | 2020-08-28 | Nanometer energy-absorbing driving safety buffer device |
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| Publication Number | Publication Date |
|---|---|
| CN112030834A true CN112030834A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010889831.4A Pending CN112030834A (en) | 2020-08-28 | 2020-08-28 | Nanometer energy-absorbing driving safety buffer device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090032789A1 (en) * | 2004-11-17 | 2009-02-05 | Kennedy Jr James C | Impact Attenuator System |
| US20150010352A1 (en) * | 2011-02-11 | 2015-01-08 | Traffix Devices, Inc. | End treatments and transitions for water-ballasted protection barrier arrays |
| CN208733538U (en) * | 2018-08-27 | 2019-04-12 | 北京华路安交通科技有限公司 | A kind of highway crash mat structure for filling energy-absorbing foam |
| CN110409349A (en) * | 2019-08-09 | 2019-11-05 | 中交第一公路勘察设计研究院有限公司 | Buffering energy-absorbing can be oriented to bumper |
| CN209975438U (en) * | 2019-04-09 | 2020-01-21 | 北京华路安交通科技有限公司 | Deformation-limited secondary compression efficient energy-absorbing and guiding crash pad |
-
2020
- 2020-08-28 CN CN202010889831.4A patent/CN112030834A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090032789A1 (en) * | 2004-11-17 | 2009-02-05 | Kennedy Jr James C | Impact Attenuator System |
| US20150010352A1 (en) * | 2011-02-11 | 2015-01-08 | Traffix Devices, Inc. | End treatments and transitions for water-ballasted protection barrier arrays |
| CN208733538U (en) * | 2018-08-27 | 2019-04-12 | 北京华路安交通科技有限公司 | A kind of highway crash mat structure for filling energy-absorbing foam |
| CN209975438U (en) * | 2019-04-09 | 2020-01-21 | 北京华路安交通科技有限公司 | Deformation-limited secondary compression efficient energy-absorbing and guiding crash pad |
| CN110409349A (en) * | 2019-08-09 | 2019-11-05 | 中交第一公路勘察设计研究院有限公司 | Buffering energy-absorbing can be oriented to bumper |
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Application publication date: 20201204 |